Base | Representation |
---|---|
bin | 111111101110100101… |
… | …000110001111000111 |
3 | 20112121210212111221210 |
4 | 333232211012033013 |
5 | 2110114331233334 |
6 | 51233544342503 |
7 | 4641455463036 |
oct | 775645061707 |
9 | 215553774853 |
10 | 68427211719 |
11 | 27024416a49 |
12 | 11318174a33 |
13 | 65b664b6b9 |
14 | 3451ba671d |
15 | 1ba74d95e9 |
hex | fee9463c7 |
68427211719 has 8 divisors (see below), whose sum is σ = 91246282480. Its totient is φ = 45613141056.
The previous prime is 68427211693. The next prime is 68427211739. The reversal of 68427211719 is 91711272486.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-68427211719 is a prime.
It is a super-2 number, since 2×684272117192 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68427211739) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217974 + ... + 1272915.
It is an arithmetic number, because the mean of its divisors is an integer number (11405785310).
Almost surely, 268427211719 is an apocalyptic number.
68427211719 is a deficient number, since it is larger than the sum of its proper divisors (22819070761).
68427211719 is a wasteful number, since it uses less digits than its factorization.
68427211719 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2500049.
The product of its digits is 338688, while the sum is 48.
The spelling of 68427211719 in words is "sixty-eight billion, four hundred twenty-seven million, two hundred eleven thousand, seven hundred nineteen".
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